Verify illustrated MV motion and art from decoded output

[Hao0321]

Summary

• Add rendered-video acceptance checks for kinetic typography, effects, transitions, silhouettes, and musical rhythm.
• Document short soft fades as an option for large brightness changes and require A/B inspection before art approval.
• Regenerate the public sync receipt and pass privacy/sync checks.

Verification

• python scripts/sync_canonical.py --canonical C:\Users\Hao0321\.codex\skills\video-autopilot --check
• python scripts/sync_canonical.py --verify-receipt
• python scripts/public_privacy_gate.py --repository .

This is a guide update. It does not certify a finished music video or a human art review.